import Vue from "vue";
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcomen.vue'
import Users from './components/users/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/goods/Cate.vue'
import Params from './components/goods/params.vue'
import List from './components/goods/List.vue'
import Add from './components/goods/Add.vue'
import Order from './components/order/Order.vue'
import Report from './components/report/report.vue'
Vue.use(Router)


const router = new Router({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [
                {
                    path: '/welcome',
                    component: Welcome
                }, {
                    path: '/users',
                    component: Users
                }, {
                    path: '/rights',
                    component: Rights
                }, {
                    path: '/roles',
                    component: Roles
                }, {
                    path: '/categories',
                    component: Cate
                }, {
                    path: '/params',
                    component: Params
                }, {
                    path: '/goods',
                    component: List,
                }, {
                    path: '/goods/add',
                    component: Add
                }, {
                    path: '/orders',
                    component: Order
                }, {
                    path: '/reports',
                    component: Report
                }
            ]
        }
    ]
})
//挂载路由守卫
router.beforeEach((to, from, next) => {
    if (to.path === '/login') return next()
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
    //to将要访问的路径
    //from 代表从哪个路径跳转而来
    //next是一个函数，表示放行
    //      next()放行next('/login')强制跳转

})

export default router